bjoernager/rust
bjoernager/rust
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add test

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This commit is contained in:
Deadbeef 2023-06-30 15:50:58 +00:00
parent 0b095a60d2
commit 30b21b758a
2 changed files with 35 additions and 2 deletions
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8
compiler/rustc_hir_analysis/src/collect/generics_of.rs
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@ -9,7 +9,7 @@ use rustc_hir::def_id::LocalDefId;
use rustc_middle::ty::{self, TyCtxt};
use rustc_session::lint;
use rustc_span::symbol::{kw, Symbol};
use rustc_span::Span;
use rustc_span::{sym, Span};
pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics {
use rustc_hir::*;
@ -295,7 +295,11 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics {
})
}
GenericParamKind::Const { default, .. } => {
if !matches!(allow_defaults, Defaults::Allowed) && default.is_some() {
// `rustc_host` effect params are allowed to have defaults.
if !matches!(allow_defaults, Defaults::Allowed)
&& default.is_some()
&& !tcx.has_attr(param.def_id, sym::rustc_host)
{
tcx.sess.span_err(
param.span,
"defaults for const parameters are only allowed in \